[1] Ewha Womans Univ, Seoul Hosp, Sch Med, Dept Rehabil Med, Seoul 07804, South Korea
[2] Ctr Hosp Univ Montreal, Dept Phys Med & Rehabil, Montreal, PQ H2X 0A9, Canada
[3] Cheonho S Orthoped Clin, 1015 Cheonho Daero, Seoul 06014, South Korea
[4] Yeungnam Univ, Coll Med, Dept Phys Med & Rehabil, Daegu 42415, South Korea